Calcium Chloride Early Strength Accelerator
CAS Number: 10043-52-4
Calcium chloride is the most widely used accelerating admixture for concrete, shortening setting time and dramatically increasing early compressive strength in cold-weather construction. It is effective at low temperatures where normal cement hydration slows significantly. Due to its chloride content, its use is restricted to plain (non-reinforced) concrete or specific applications as per ASTM C494 Type C and E.
Technical Specifications
| pH | 8.0-10.0 |
| appearance | White granules or flakes |
| purity (%) | 94±2 |
| moisture content (%) | ≤1.0 |
| alkalinity as Ca(OH)2 (%) | ≤0.3 |
Applications
- Cold-weather concrete construction below 5°C
- Plain concrete pavements and sidewalks
- Precast concrete for accelerated demoulding
- Shotcrete and soil stabilization
- Winter construction to reduce heating costs
Key Features
- Fastest and most cost-effective accelerator for plain concrete
- Significantly improves early strength at low temperatures
- Granular and flake forms allow easy handling and dosing
- Well-established product compliant with ASTM C494 Type C/E
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